ABB RELION Series, Communication Protocol Manual

Page: 37 / 40

Section 5 Glossary
ACD Start/pickup status
ACT 1. Application Configuration tool in PCM600
2. Trip status in IEC 61850
AI Analog input
CMT Communication Management tool in PCM600
DNP3 A distributed network protocol originally developed by
Westronic. The DNP3 Users Group has the ownership of the
protocol and assumes responsibility for its evolution.
DPC Double-point control
EMC Electromagnetic compatibility
EPA Enhanced performance architecture
Ethernet A standard for connecting a family of frame-based computer
networking technologies into a LAN
HMI Human-machine interface
IEC International Electrotechnical Commission
IEC 60870-5 IEC standard for telecontrol equipment and systems. Part 5
defines transmission protocols.
IEC 61850 International standard for substation communication and
modeling
IED Intelligent electronic device
IP Internet protocol
IP address A set of four numbers between 0 and 255, separated by
periods. Each server connected to the Internet is assigned a
unique IP address that specifies the location for the TCP/IP
protocol.
ISO International Standard Organization
LHMI Local human-machine interface
OSI Open systems interconnection
PCM600 Protection and Control IED Manager
RTU Remote terminal unit
SBO Select-before-operate
SPC Single-point status of a controllable object
1MRS758757 A
Section 5
Glossary
REC615 and RER615 31
Communication Protocol Manual